{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Hacker News Popular Items",
  "content": {
    "modelVersion": 14,
    "document": {
      "bindings": {},
      "graph": {
        "nodes": {
          "n_aef8eeb45f19a46c": {
            "name": "Export Hacker News items",
            "kind": "start",
            "inputDefs": []
          },
          "n_c99ec8f01da71301": {
            "inputs": {
              "endpoint": {
                "kind": "value",
                "value": "/search"
              },
              "query.hitsPerPage": {
                "kind": "value",
                "value": 50
              },
              "query.tags": {
                "kind": "value",
                "value": ""
              }
            },
            "name": "Read popular items",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "endpoint"
                },
                {
                  "jsonSchema": {
                    "type": [
                      "string",
                      "number",
                      "boolean",
                      "null"
                    ]
                  },
                  "nullable": true,
                  "handle": "query.hitsPerPage"
                },
                {
                  "jsonSchema": {
                    "type": [
                      "string",
                      "number",
                      "boolean",
                      "null"
                    ]
                  },
                  "nullable": true,
                  "handle": "query.tags"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                },
                {
                  "jsonSchema": {
                    "const": "base64"
                  },
                  "nullable": true,
                  "handle": "bodyEncoding"
                }
              ],
              "name": "Read popular items",
              "executor": {
                "providerId": "hackernews",
                "method": "GET",
                "query": {
                  "mode": "fields",
                  "names": [
                    "hitsPerPage",
                    "tags"
                  ]
                },
                "headers": {
                  "mode": "fields",
                  "names": []
                },
                "bodyFormat": "none",
                "kind": "connector-proxy"
              }
            }
          },
          "n_27895fb05fec3105": {
            "inputs": {
              "body": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_c99ec8f01da71301",
                    "output": "body"
                  }
                ]
              },
              "statusCode": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_c99ec8f01da71301",
                    "output": "statusCode"
                  }
                ]
              },
              "bodyEncoding": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_c99ec8f01da71301",
                    "output": "bodyEncoding"
                  }
                ]
              }
            },
            "name": "Build JSON snapshot",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
                  "jsonSchema": {
                    "const": "base64"
                  },
                  "nullable": true,
                  "handle": "bodyEncoding"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "response"
                },
                {
                  "jsonSchema": {
                    "type": "integer",
                    "minimum": 0
                  },
                  "nullable": false,
                  "handle": "count"
                }
              ],
              "name": "Build JSON snapshot",
              "moduleId": "n_7e339df7807ae34f",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_8ee956360dbca61f": {
            "name": "JSON snapshot",
            "kind": "outputs",
            "outputDefs": [
              {
                "jsonSchema": {
                  "type": "string"
                },
                "nullable": false,
                "handle": "response"
              },
              {
                "jsonSchema": {
                  "type": "integer",
                  "minimum": 0
                },
                "nullable": false,
                "handle": "count"
              }
            ],
            "outputMappings": {
              "response": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_27895fb05fec3105",
                    "output": "response"
                  }
                ]
              },
              "count": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_27895fb05fec3105",
                    "output": "count"
                  }
                ]
              }
            }
          }
        },
        "edges": [
          {
            "source": "n_aef8eeb45f19a46c",
            "target": "n_c99ec8f01da71301"
          },
          {
            "source": "n_c99ec8f01da71301",
            "target": "n_27895fb05fec3105"
          },
          {
            "source": "n_27895fb05fec3105",
            "target": "n_8ee956360dbca61f"
          }
        ]
      }
    },
    "modules": {
      "n_7e339df7807ae34f": {
        "name": "Build JSON snapshot",
        "imports": [],
        "source": "export default function hackerNewsSnapshot({ body, statusCode, bodyEncoding = null }) {\n  if (statusCode !== 200) throw new Error('Hacker News search did not return HTTP 200.');\n  if (bodyEncoding !== null) throw new Error('Expected a JSON search response.');\n  if (!body || typeof body !== 'object' || Array.isArray(body) || !Array.isArray(body.hits)) throw new Error('The search response must contain a hits array.');\n  if (body.hits.length > 50) throw new Error('The search returned more than the requested fifty items.');\n  const text = (value, name) => {\n    if (value === null || value === undefined) return null;\n    if (typeof value !== 'string') throw new Error('Invalid ' + name + ' in search result.');\n    return value;\n  };\n  const items = body.hits.map(hit => {\n    if (!hit || typeof hit !== 'object' || Array.isArray(hit)) throw new Error('Invalid search item.');\n    if (hit.points !== null && hit.points !== undefined && (typeof hit.points !== 'number' || !Number.isFinite(hit.points))) throw new Error('Invalid points in search result.');\n    return { title: text(hit.title, 'title'), points: hit.points ?? null, url: text(hit.url, 'url'), created_at: text(hit.created_at, 'created_at'), author: text(hit.author, 'author') };\n  });\n  return { response: JSON.stringify(items), count: items.length };\n}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}